06. Fishland

package main
import "fmt"

func main() {
    var mackerelPrice, spratPrice, bonitoFishKg, saffronKg, shellKg float64
    fmt.Scanln(&mackerelPrice)
    fmt.Scanln(&spratPrice)
    fmt.Scanln(&bonitoFishKg)
    fmt.Scanln(&saffronKg)
    fmt.Scanln(&shellKg)

    var bonitoFishSum = bonitoFishKg * mackerelPrice * 1.60
    var saffronSum = saffronKg * spratPrice * 1.80
    var shellSum = shellKg * 7.50
    var sum = bonitoFishSum + saffronSum + shellSum

    fmt.Printf("%.2f\n", sum)
}